2 - Mining in Australia - Wikipedia Mining in Australia is a significant primary industry and contributor to the Australian economy. Historically, mining booms have also encouraged immigration to Australia.https://en.wikipedia.org/wiki/Mining_in_Australia

4 - Facts - Tourism Australia

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5 - Travel Information - A - Australia Online Welcome to Australia Online, the ultimate A to Z Australian Visitor and Travel Information guide to the magnificent Land Down Under - Australia Topics starting with B.http://www.australiaonline.com.au/a.html